{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:YRIT6TD7WBEGXLRHKMIMEBOE6Y","short_pith_number":"pith:YRIT6TD7","canonical_record":{"source":{"id":"gr-qc/0305023","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2003-05-06T12:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"fbd03790c91966f3dc0bdb3cd5e8c41f532cfc3df2d5c8f941c33d843cff85c0","abstract_canon_sha256":"73f570e3590d9231ce9477e4e7a4b15600499ccab7e58963dd7ae334797fb111"},"schema_version":"1.0"},"canonical_sha256":"c4513f4c7fb0486bae275310c205c4f601fd406e4d689abfdd1c162ddbe27fa0","source":{"kind":"arxiv","id":"gr-qc/0305023","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0305023","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0305023v1","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0305023","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"pith_short_12","alias_value":"YRIT6TD7WBEG","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"pith_short_16","alias_value":"YRIT6TD7WBEGXLRH","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"pith_short_8","alias_value":"YRIT6TD7","created_at":"2026-07-04T16:40:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:YRIT6TD7WBEGXLRHKMIMEBOE6Y","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0305023","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2003-05-06T12:39:29Z","cross_cats_sorted":[],"title_canon_sha256":"fbd03790c91966f3dc0bdb3cd5e8c41f532cfc3df2d5c8f941c33d843cff85c0","abstract_canon_sha256":"73f570e3590d9231ce9477e4e7a4b15600499ccab7e58963dd7ae334797fb111"},"schema_version":"1.0"},"canonical_sha256":"c4513f4c7fb0486bae275310c205c4f601fd406e4d689abfdd1c162ddbe27fa0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:40:12.428077Z","signature_b64":"119smX5Iia4C1hL21mZbDPh1/SG9j/006EMVv4MzU7wMmqaUyuOixrexXNo+5p4C2yTqTMDFyHb84QeP3Ol2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4513f4c7fb0486bae275310c205c4f601fd406e4d689abfdd1c162ddbe27fa0","last_reissued_at":"2026-07-04T16:40:12.427636Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:40:12.427636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0305023","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:40:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FkesTAQ88RIJshGDkvzXQsQMUIQaBhCTxH7E6rOYPbfB1DYtNMxkD/OqpzUqN9NvTB5NAjVxZxQpLvuHXDqiBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:59:32.642820Z"},"content_sha256":"554b0b8019944f2200ec22246eb8823d54ab149e0997983702d8ee56ed0c53da","schema_version":"1.0","event_id":"sha256:554b0b8019944f2200ec22246eb8823d54ab149e0997983702d8ee56ed0c53da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:YRIT6TD7WBEGXLRHKMIMEBOE6Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Toward standard testbeds for numerical relativity","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Bela Szilagyi, Carles Bona, Christiane Lechner, David Fiske, David Rideout, Deirdre Shoemaker, Denis Pollney, Edward Seidel, Erik Schnetter, F. Siddharta Guzman, Gabrielle Allen, Hisa-aki Shinkai, Ian Hawke, Jeffrey Winicour, Marcelo Salgado, Michael Koppitz, Miguel Alcubierre, Ryoji Takahashi, Sascha Husa, Scott H. Hawley, Tom Goodale","submitted_at":"2003-05-06T12:39:29Z","abstract_excerpt":"In recent years, many different numerical evolution schemes for Einstein's equations have been proposed to address stability and accuracy problems that have plagued the numerical relativity community for decades. Some of these approaches have been tested on different spacetimes, and conclusions have been drawn based on these tests. However, differences in results originate from many sources, including not only formulations of the equations, but also gauges, boundary conditions, numerical methods, and so on. We propose to build up a suite of standardized testbeds for comparing approaches to the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0305023","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/gr-qc/0305023/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:40:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qx7xJpKobH9a3u+ZbHX27C7OVCPQrno16wxNtNKA614+vdiFyIVSyaUzrVREvZ8ypwARN2vensT+TbDW1ugtBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:59:32.643612Z"},"content_sha256":"ec671fc4879d2eda1e69aad0aa7cb081d5bec22aca9dcc0c20d87cef9f5ef05d","schema_version":"1.0","event_id":"sha256:ec671fc4879d2eda1e69aad0aa7cb081d5bec22aca9dcc0c20d87cef9f5ef05d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YRIT6TD7WBEGXLRHKMIMEBOE6Y/bundle.json","state_url":"https://pith.science/pith/YRIT6TD7WBEGXLRHKMIMEBOE6Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YRIT6TD7WBEGXLRHKMIMEBOE6Y/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-03T19:59:32Z","links":{"resolver":"https://pith.science/pith/YRIT6TD7WBEGXLRHKMIMEBOE6Y","bundle":"https://pith.science/pith/YRIT6TD7WBEGXLRHKMIMEBOE6Y/bundle.json","state":"https://pith.science/pith/YRIT6TD7WBEGXLRHKMIMEBOE6Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YRIT6TD7WBEGXLRHKMIMEBOE6Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:YRIT6TD7WBEGXLRHKMIMEBOE6Y","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"73f570e3590d9231ce9477e4e7a4b15600499ccab7e58963dd7ae334797fb111","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2003-05-06T12:39:29Z","title_canon_sha256":"fbd03790c91966f3dc0bdb3cd5e8c41f532cfc3df2d5c8f941c33d843cff85c0"},"schema_version":"1.0","source":{"id":"gr-qc/0305023","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0305023","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0305023v1","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0305023","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"pith_short_12","alias_value":"YRIT6TD7WBEG","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"pith_short_16","alias_value":"YRIT6TD7WBEGXLRH","created_at":"2026-07-04T16:40:12Z"},{"alias_kind":"pith_short_8","alias_value":"YRIT6TD7","created_at":"2026-07-04T16:40:12Z"}],"graph_snapshots":[{"event_id":"sha256:ec671fc4879d2eda1e69aad0aa7cb081d5bec22aca9dcc0c20d87cef9f5ef05d","target":"graph","created_at":"2026-07-04T16:40:12Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/gr-qc/0305023/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent years, many different numerical evolution schemes for Einstein's equations have been proposed to address stability and accuracy problems that have plagued the numerical relativity community for decades. Some of these approaches have been tested on different spacetimes, and conclusions have been drawn based on these tests. However, differences in results originate from many sources, including not only formulations of the equations, but also gauges, boundary conditions, numerical methods, and so on. We propose to build up a suite of standardized testbeds for comparing approaches to the","authors_text":"Bela Szilagyi, Carles Bona, Christiane Lechner, David Fiske, David Rideout, Deirdre Shoemaker, Denis Pollney, Edward Seidel, Erik Schnetter, F. Siddharta Guzman, Gabrielle Allen, Hisa-aki Shinkai, Ian Hawke, Jeffrey Winicour, Marcelo Salgado, Michael Koppitz, Miguel Alcubierre, Ryoji Takahashi, Sascha Husa, Scott H. Hawley, Tom Goodale","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2003-05-06T12:39:29Z","title":"Toward standard testbeds for numerical relativity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0305023","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:554b0b8019944f2200ec22246eb8823d54ab149e0997983702d8ee56ed0c53da","target":"record","created_at":"2026-07-04T16:40:12Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"73f570e3590d9231ce9477e4e7a4b15600499ccab7e58963dd7ae334797fb111","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2003-05-06T12:39:29Z","title_canon_sha256":"fbd03790c91966f3dc0bdb3cd5e8c41f532cfc3df2d5c8f941c33d843cff85c0"},"schema_version":"1.0","source":{"id":"gr-qc/0305023","kind":"arxiv","version":1}},"canonical_sha256":"c4513f4c7fb0486bae275310c205c4f601fd406e4d689abfdd1c162ddbe27fa0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4513f4c7fb0486bae275310c205c4f601fd406e4d689abfdd1c162ddbe27fa0","first_computed_at":"2026-07-04T16:40:12.427636Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:40:12.427636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"119smX5Iia4C1hL21mZbDPh1/SG9j/006EMVv4MzU7wMmqaUyuOixrexXNo+5p4C2yTqTMDFyHb84QeP3Ol2DA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:40:12.428077Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0305023","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:554b0b8019944f2200ec22246eb8823d54ab149e0997983702d8ee56ed0c53da","sha256:ec671fc4879d2eda1e69aad0aa7cb081d5bec22aca9dcc0c20d87cef9f5ef05d"],"state_sha256":"02fbe53009b1509afbbe69e16f5a03e451a7ff9e0488771bf7b19060167952df"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xHI71CCVgX2U6PRvqqjbM1aaBnY2/xXpC5rYXKYOjwAMHejOHFSSzWx7SjNP+S9a7HJ834ZWfeQJpQrsgMroAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:59:32.651847Z","bundle_sha256":"9c1f45e15a1bc859df52525d0b733b5412f2244b5a9e15705294005d240ff938"}}